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[单选题]
MPLS技术中,LSR是什么的缩写:()。
A.Label Switching Router
B.Label Swapping Router
C.Layer 3 Switching Router
D.Layer 2 Swapping Router
查看答案
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A.Label Switching Router
B.Label Swapping Router
C.Layer 3 Switching Router
D.Layer 2 Swapping Router
B.采用针对电信承载网优化的MPLS(MultiprotocolLabelSwitching)转发技术
C.集成了分组传送网和SDH传送网的优点
D.利用PWE3(PseudoWireEmulationEdge-to-Edge)技术实现面向连接的业务承载